Home / 1,061,620.92-1,592,421.66-430,384.68

Finding the Fourth Proportional to 1,061,620.92, 1,592,421.66 and 430,384.68

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Solution

The fourth proportional to 1,061,620.92, 1,592,421.66 and 430,384.68 is: 645,573.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,061,620.92 : 1,592,421.66 = 430,384.68 : x
  2. Step 2: Convert to fraction form
    1,061,620.92/1,592,421.66 = 430,384.68/x
  3. Step 3: Cross multiply
    1,061,620.92x = 1,592,421.66 × 430,384.68
  4. Step 4: Simplify right side
    1,061,620.92x = 685,353,886,564.17
  5. Step 5: Solve for x
    x = 685,353,886,564.17/1,061,620.92
  6. Step 6: Final answer
    x = 645,573.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.